{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Effect", "Subject.Race", "Subject", "Treatment", "Treatment.Duration", "Treatment.Route", "Treatment.Dosage", "Subject.Population", "Treatment.Disorder", "Treatment.Freq", "Subject.Age", "Treatment.Time_elapsed", "Combination.Drug", "Treatment.Drug"]}, {"event_type": "adverse event", "trigger": true, "arguments": ["Subject.Population", "Treatment.Time_elapsed", "Subject.Age", "Treatment.Dosage", "Treatment.Freq", "Subject.Gender", "Treatment", "Treatment.Disorder", "Combination.Drug", "Treatment.Drug", "Subject.Disorder", "Effect", "Subject.Race", "Treatment.Route", "Subject", "Treatment.Duration"]}], "input": "A 71-year-old man with paroxysmal atrial fibrillation who had a previous anterior myocardial infarction exhibited granulocytopenia 8 days following the administration of oral sustained-release procainamide (750 mg/day)."}
{"potential therapeutic event": [], "adverse event": [{"trigger": "exhibited ", "arguments": {"Subject.Population": "NAN", "Treatment.Time_elapsed": "8 days", "Subject.Age": "71-year-old", "Treatment.Dosage": "750 mg/day", "Treatment.Freq": "NAN", "Subject.Gender": "man", "Treatment": "oral sustained-release procainamide (750 mg/day)", "Treatment.Disorder": "paroxysmal atrial fibrillation", "Combination.Drug": "NAN", "Treatment.Drug": "sustained-release procainamide", "Subject.Disorder": "anterior myocardial infarction", "Effect": "granulocytopenia", "Subject.Race": "NAN", "Treatment.Route": "oral", "Subject": "A 71-year-old man with paroxysmal atrial fibrillation who had a previous anterior myocardial infarction", "Treatment.Duration": "NAN"}}]}